.CodeMirror-foldmarker {
  color: var(--main);
  text-shadow: var(--shadow) 0 0 5px;
  font-weight: bold;
  line-height: 0.3;
  cursor: pointer;
  transition: all 0.3s;
}
.CodeMirror-foldmarker:hover {
  filter: brightness(var(--lighter));
  text-shadow: var(--shadow) 0 5px 10px;
}

.CodeMirror-foldgutter {
  width: 0.7em;
}
.CodeMirror-foldgutter-open,
.CodeMirror-foldgutter-folded {
  cursor: pointer;
}
.CodeMirror-foldgutter-open:after {
  content: "\25BE";
}
.CodeMirror-foldgutter-folded:after {
  content: "\25B8";
}
